Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 05efde9d authored by Catalin Marinas's avatar Catalin Marinas
Browse files

nommu: Do not override the CP15 control reg value returned from initfunc 



The patch removes the "mrc" instruction in head-nommu.S overriding the
r0 register containing the value to be written in the CP15 system
control register.

Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 68b7f715

arch/arm/kernel/head-nommu.S

+4 −1
Original line number Diff line number Diff line
@@ -61,7 +61,10 @@ ENDPROC(stext) 
 */

__after_proc_init:

#ifdef CONFIG_CPU_CP15

	mrc	p15, 0, r0, c1, c0, 0		@ read control reg

	/*

	 * CP15 system control register value returned in r0 from

	 * the CPU init function.

	 */

#ifdef CONFIG_ALIGNMENT_TRAP

	orr	r0, r0, #CR_A

#else